Ultra-thin cigarette lighter



FIG. 1 is a front perspective view of an ultra-thin cigarette lighter, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an ultra-thin cigarette lighter, as shown. 